In the games, Maria is depicted as a kind and caring person. She is also very intelligent, and she helped Shadow to develop his powers. In the Sonic Adventure 2 game, Maria's spirit appears to Shadow and helps him to defeat Eggman.
In the Sonic Universe comic book series, Maria is resurrected by Eggman. She is initially brainwashed by Eggman, but she eventually regains her memories and turns against him. Maria then joins Sonic and his friends in their fight against Eggman.
Maria is a popular character among Sonic the Hedgehog fans. She is seen as a tragic figure, and her death is often seen as one of the saddest moments in the series.